Many times, many people have a misunderstanding about the fitness crowd, that is, they eat a lot. In fact, it generally involves professional bodybuilding or fitness. Nutrition is strictly controlled, not unlimited, but changes the diet plan as needed (such as reducing fat and gaining muscle). For example, the daily intake of carbohydrates is 4-5g/kg body weight, the intake of protein is 1.8-2.8g/kg body weight, the intake of fat is 1g/kg body weight, and other vitamins are added. Therefore, protein's supply methods such as beef are not as horrible as expected.